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Whakaoti mō x
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Tohaina

6x^{2}-8x=6\left(x^{2}-4x-3\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 2x ki te 3x-4.
6x^{2}-8x=6x^{2}-24x-18
Whakamahia te āhuatanga tohatoha hei whakarea te 6 ki te x^{2}-4x-3.
6x^{2}-8x-6x^{2}=-24x-18
Tangohia te 6x^{2} mai i ngā taha e rua.
-8x=-24x-18
Pahekotia te 6x^{2} me -6x^{2}, ka 0.
-8x+24x=-18
Me tāpiri te 24x ki ngā taha e rua.
16x=-18
Pahekotia te -8x me 24x, ka 16x.
x=\frac{-18}{16}
Whakawehea ngā taha e rua ki te 16.
x=-\frac{9}{8}
Whakahekea te hautanga \frac{-18}{16} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.